2. 4447 Maxwell Ave Longmont CO
4447 Maxwell Ave Longmont CO

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4447 Maxwell Ave Longmont, CO

4447 Maxwell Ave Longmont, CO 80503 was built in 2017 and last sold for $648,517. The property has a lot size of 5,642 Sq Ft lot and is listed as a Single Family. The property is currently not for sale. Current estimates place the value near 912,000, reflecting a 3% change over the past year, with 4 beds, 3 baths, and approximately 2,732 sq ft of living space. If you are looking to buy or rent a property, use USPhoneBook's property database to avoid rental scams, understand tax liabilities, and get a sense of the property's value over time. You can also check out the neighborhood section and see nearby homes, last sold for prices, tax records and more.
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Public Facts

$648,517
Last sold Oct 13, 2025
4
Beds
3
Baths
2,732
Sqft
Off Market
$912,000 estimated value
Built in 2017
$334/sqft
5,642 lot sqft
$4,380 HOA fees

Property characteristics

Property type
Residential
Zoning type
Single Family
APN
R0607889
Parking
2
Subdivision
Tramonto Rep A
Heating
Forced air unit
Cooling
Central

Property History

Over the last 12 months, the sales price of 4447 Maxwell Ave Longmont, CO 80503 has increased by 3%.

Price History

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Year Price Price/Sq Ft
2026 $ 910,000 3 % $ 333
2025 $ 882,000 10 % $ 323
2024 $ 796,000 -3 % $ 291
2023 $ 821,000 -5 % $ 301
2022 $ 872,000 25 % $ 319
2021 $ 697,000 ---- $ 255

Tax History

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Year Taxes Assesments
2026 ---- $ 61,166
2025 $ 5,902 18 %
2024 $ 4,992 1 % $ 56,219
2023 $ 4,924 8 % $ 52,186
2022 $ 4,519 ---- $ 45,669
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Owner

Irina Frangopol Irina Motet Frangopol , Age 79

Lives at 4447 Maxwell Ave, Longmont, CO 80503-4191
Relatives: Dan Frangopol, Andrea Watson, Radu Frangopol, Dionne Tennis, Elizabeth Watson, Emma Watson, Mark Watson, Brian Watson
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People Living at 4447 Maxwell Ave Longmont, CO

Irina Frangopol Irina Motet Frangopol , Age 79

Lives at 4447 Maxwell Ave, Longmont, CO 80503-4191 Longmont CO 80503 4447 Maxwell Ave
Prior addresses: 16724 Sapphire Isle, Weston, FL 33331-3175 Weston FL 33331 16724 Sapphire Isle
Relatives: Dan Frangopol, Andrea Watson, Radu Frangopol, Dionne Tennis, Elizabeth Watson, Emma Watson, Mark Watson, Brian Watson
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Dan Frangopol Dan Mircea Frangopol , Age 80

Lives at 4447 Maxwell Ave, Longmont, CO 80503-4191 Longmont CO 80503 4447 Maxwell Ave
Prior addresses: 575 Manhattan Dr, Unit 202, Boulder, CO 80303-4084 Boulder CO 80303 575 Manhattan Dr, Unit 202 16724 Sapphire Isle, Weston, FL 33331-3175 Weston FL 33331 16724 Sapphire Isle
Relatives: Irina Frangopol, Andrea Watson, Radu Frangopol, Dionne Tennis, Elizabeth Watson, Emma Watson, Mark Watson, Brian Watson
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Neighbors

4443 Maxwell Ave
Longmont, CO
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4515 Maxwell Ave
Longmont, CO
View Property Report
4439 Maxwell Ave
Longmont, CO
View Property Report
4435 Maxwell Ave
Longmont, CO
View Property Report

FAQs

Who lives at 4447 Maxwell Ave, Longmont, CO 80503?
According to our records, the current person living in 4447 Maxwell Ave is Irina Frangopol.
Is this property currently for sale?
The property is not for sale and last sold for $648,517 on Oct 13, 2025. Use USPhoneBook to review nearby listings or compare similar homes in the area.
What is the estimated value of this property?
The estimated value is $912,000, reflecting a 3% change over the past year. You can explore price history and tax records to see how the value has changed over time.
How big is this property?
It features approximately 2,732 sq ft of living space on a 5,642 sq ft lot, built in 2017 and classified as a Single Family.
What nearby properties can I compare this to?
Nearby homes include 4443 Maxwell Ave, 4515 Maxwell Ave, and 4439 Maxwell Ave, each with its own property report to help compare size, value, and residents.